Multifunctional water pump

The invention relates to a multifunctional water pump. The multifunctional water pump comprises a flow intercepting cover and a water pump body, wherein the water pump body comprises a pump housing, pump blades, a jet flow generator and a liquid outlet pipe; the pump housing comprises a hollow pump chamber; a pump chamber liquid inlet is formed in the lower surface of the pump chamber; a liquid outlet is formed in the upper surface of the pump chamber; a first ventilation hole is formed in the upper surface of the pump housing; the pump blades rotate along with a waterproof motor; the jet flowgenerator comprises a jet flow through pipe and is connected with the pump chamber; a second ventilation hole is formed in the surface of the jet flow generator and connected with the first ventilation hole through a sealing air pipe; the liquid outlet pipe is connected with the pump chamber liquid outlet; the flow intercepting cover covers the water pump body; a third ventilation hole is formedin the side wall of the fl